Stone Park, IL Political Map | Democrat & Republican Areas in Stone Park

By the BestNeighborhood data science team. Last updated May 2026.

Stone Park leans Democratic by roughly 22 points: about 61% of voters vote Democratic and 39% Republican.

 

About 30% of adults in Stone Park typically vote, below the U.S. average of about 62%. Among adults in Stone Park, ~19% vote Democratic, ~12% Republican, and ~69% don't vote. The map below shows estimated turnout by block group.

How Stone Park compares

Among cities within 25 miles, Stone Park leans more Democratic than 112 of 165 neighbors.

Stone Park runs about 12 points more Democratic than Illinois as a whole.

Why Stone Park leans the way it does

This analysis examined 14,881 data points per city to find what predicts political lean and turnout. The items below are a few correlations that stood out for Stone Park, not a ranked or complete list of what matters most.

Dense areas vote Democratic. More than 99% of residents in Stone Park live in densely developed areas, about 64 points above the U.S. average of 36%. A high never-married share predicts Democratic voting, and about 47% of adults in Stone Park have never been married, above 97% of cities.

Walkability and Democratic lean

Places with a highly walkable street grid tend to lean Democratic; Stone Park, IL sits in the top tenth nationally on this measure. A walkable street grid does not change how people vote; it mostly reflects how urban a place is.

Why turnout in Stone Park looks the way it does

Areas with limited routine healthcare access turn out at lower rates. Stone Park is in the bottom quarter nationally for routine-care measures such as insurance coverage, preventive screenings, and dental visits. The dental-visit rate here is about 50%, about 13 points below the Illinois average of 63%. Renters vote less often than owners, and about 53% of households in Stone Park rent, compared to around 28% in nearby cities. High food insecurity lines up with lower turnout, and about 40% of adults in Stone Park report food insecurity, in the top fraction of cities. Learn more about the findings and methodology on the political spectrum map.

Sources and methodology

Precinct-level voting records used to fit the model come from Illinois State Board of Elections, distributed by the Voting and Election Science Team. Demographic inputs come from the U.S. Census Bureau (ACS 5-year estimates and the 2020 Decennial Census). Health and environmental inputs come from the CDC (PLACES and the Environmental Justice Index). Land cover comes from the USGS and EPA. Election-day and lead-up weather come from PRISM 4km daily grids and the NOAA Global Historical Climatology Network. Mail-voting and election-administration patterns come from the MIT Election Lab's Survey of the Performance of American Elections. Block-group crime detail comes from CrimeGrade. Internet data and modeling support provided by ISPreports.org.

Modeling and analysis by the BestNeighborhood data science team. Full methodology and findings: political spectrum map.

Methodology reviewed by the BestNeighborhood data team. Last updated May 2026.